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- H11.39 - Level 3 X Answered - Incorrect • 2 attempts left Which of the following reactions will not produce the major product given? A A В В C C X D Your answer CH,OH A (racemic) OSO2CF3 Br B NaBr acetone HO H H. Br NaBr acetone C Br H CH3 H. CH3 CH;CH;ONa D H CH3 H3C CH:CH3The following series of reactions will yield 2) CI-CH2-CH2-C6H5 1) CH3CH2SH + N2OH O 2-chloro-4-ethyl-benzenesulfonic acid O CH;CH2-S-CH2CH2C6H5 O ortho-chloro-ethyl-benzene O 1-phenyl-3-chloro-propane O CH3CH2-O-CH2CH2C6H5Draw the four resonance structures formed during bromination of methoxybenzene, CH3OC6H5, with Br2/FeBr3 to give para-bromomethoxybenzene and then circle the most stable resonance form.
- Forming an Internal Alkyne by Two Sequential SN2 Reactions Identify the terminal alkyne A and the internal alkyne B in the following reaction sequence.In EAS bromination reactions, a -CON(CH3)2 substituent on the aromatic ring is: an activator and an o,p-director. a deactivator and a m-director. an activator and a m-director. the substituent catalyzes the 1,2 addition of bromine across the double bond. a deactivator and an o,p-director. GHow would you synthesize the following compounds from cyclohexanone using reagents from the table? Use letters from the table to list reagents in the order used (first at the left). Reagents a 1. CH3MgBr / dry ether 2 H3O+ e 1. OsO4 i 1. BH3/THF 2. NaHSO3/H₂O 2. H₂O₂ / NaOH b 1. C6H5 MgBr / dry ether f 1. NaBH4 j Mg / dry ether 2 H3O+ 2. H3O+ C PBг3 g HOCH2CH2OH/HCI k H2/Pd d m-chloroperbenzoic h H3O+ / heat 1 CrO3 / H3O+ acid a) 2-phenylcyclohexanone b) cyclohexylbenzene m cyclohexanone
- How would you synthesize the following compounds from cyclohexanone using reagents from the table? Use letters from the table to list reagents in the order used (first at the left). Reagents a 1. CH3MgBr/dry ether 2 H3O+ e 1. OsO4 i 1. BH3/THF 2. NaHSO3/H2O 2. H₂O₂ / NaOH b 1. C6H5MgBr / dry ether f 1. NaBH4 j Mg / dry ether 2 H3O+ 2. H3O+ с PBr3 g HOCH2CH2OH/HCI k H2/Pd d m-chloroperbenzoic h H3O+ / heat I CrO3 / H3O+ acid m cyclohexanone a) cyclohexylbenzene b) 2-phenylcyclohexanone Submit Answer Try Another Version 3 item attempts remainingIn both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, Sn2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? CH3 NaOCH2CH3 CH,CH,CCH3 CH;CH,OH SN2 E2 mixture of SN1 and E1 NaSCH3 CH3OH CH2IEthers/Aldehydes/Ketones SynthesisPrepare the following compounds from any simple alkyl halide having four carbons or less,cyclohexane, and/or benzene. You may also use ethylene oxide (oxacyclopropane). SHOW ALLSTEPS AND REAGENTS with arrows.
- The Wolff–Kishner reaction uses hydrazine (H2NNH2) and hydroxide (–OH) to reduce a carbonyl to the alkane. The first steps of the mechanism convert a carbonyl to a hydrazone in a manner similar to imine formation. Draw the mechanism arrows for the reaction from the hydrazone to the alkane. Be sure to add lone pairs of electrons and nonzero formal charges to all species.Which set of reagents would be appropriate to synthesize bromobenzene from benzene? 1. HNO3 in H2SO4; 2. H2Cr04 and heat 1. H2CrO4 and heat; 2. H2 Pd/C Br2 and FeBr3 1. CH3CH2CHCI and AICI3; 2. H204 and heat 4B12 and Fe Heat and Br2 Br2, HCIWhich of the following compounds is the most reactive towards electrophilic aromatic subsitition by Br2? NO2 NO2 NO2 CH3 NMe2 NO2 В D E F A C AB C DEE O O O O OO